
<table style="text-align:center"><caption><strong>National leaders</strong></caption>
<tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"></td><td colspan="3">Sentiment of integration references</td><td colspan="3">Complexity of integration references</td></tr>
<tr><td style="text-align:left"></td><td>(1)</td><td>(2)</td><td>(3)</td><td>(4)</td><td>(5)</td><td>(6)</td></tr>
<tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">Public Euroscepticism</td><td>-0.080<sup>***</sup></td><td>-0.077<sup>**</sup></td><td>-0.034</td><td>-0.170<sup>***</sup></td><td>-0.172<sup>***</sup></td><td>-0.033</td></tr>
<tr><td style="text-align:left"></td><td>(0.024)</td><td>(0.024)</td><td>(0.031)</td><td>(0.025)</td><td>(0.025)</td><td>(0.035)</td></tr>
<tr><td style="text-align:left">Eurosceptic party poll rating</td><td>-0.009</td><td>-0.010</td><td>-0.043</td><td>-0.044</td><td>-0.051</td><td>-0.157<sup>***</sup></td></tr>
<tr><td style="text-align:left"></td><td>(0.026)</td><td>(0.026)</td><td>(0.032)</td><td>(0.029)</td><td>(0.030)</td><td>(0.036)</td></tr>
<tr><td style="text-align:left">Public Euroscepticism (exp)</td><td></td><td>-0.161<sup>*</sup></td><td>-0.228<sup>**</sup></td><td></td><td>0.164<sup>*</sup></td><td>-0.050</td></tr>
<tr><td style="text-align:left"></td><td></td><td>(0.074)</td><td>(0.080)</td><td></td><td>(0.080)</td><td>(0.087)</td></tr>
<tr><td style="text-align:left">Eurosceptic party poll rating (exp)</td><td></td><td>0.430</td><td>0.179</td><td></td><td>0.588</td><td>-0.219</td></tr>
<tr><td style="text-align:left"></td><td></td><td>(0.936)</td><td>(0.933)</td><td></td><td>(0.592)</td><td>(0.603)</td></tr>
<tr><td style="text-align:left">Public x Partisan Euroscept.</td><td></td><td></td><td>0.061<sup>*</sup></td><td></td><td></td><td>0.197<sup>***</sup></td></tr>
<tr><td style="text-align:left"></td><td></td><td></td><td>(0.029)</td><td></td><td></td><td>(0.032)</td></tr>
<tr><td colspan="7" style="border-bottom: 1px dashed black">
<tr><td style="text-align:left">Party EU position</td><td>-0.095<sup>***</sup></td><td>-0.105<sup>***</sup></td><td>-0.076<sup>**</sup></td><td>0.002</td><td>0.010</td><td>0.104<sup>**</sup></td></tr>
<tr><td style="text-align:left"></td><td>(0.026)</td><td>(0.026)</td><td>(0.028)</td><td>(0.032)</td><td>(0.033)</td><td>(0.036)</td></tr>
<tr><td style="text-align:left">EU trade dependence</td><td>0.141<sup>***</sup></td><td>0.142<sup>***</sup></td><td>0.161<sup>***</sup></td><td>0.104<sup>**</sup></td><td>0.106<sup>**</sup></td><td>0.167<sup>***</sup></td></tr>
<tr><td style="text-align:left"></td><td>(0.025)</td><td>(0.025)</td><td>(0.026)</td><td>(0.032)</td><td>(0.032)</td><td>(0.034)</td></tr>
<tr><td style="text-align:left">Net Contribution</td><td>0.074<sup>**</sup></td><td>0.072<sup>**</sup></td><td>0.104<sup>***</sup></td><td>-0.202<sup>***</sup></td><td>-0.196<sup>***</sup></td><td>-0.091<sup>**</sup></td></tr>
<tr><td style="text-align:left"></td><td>(0.024)</td><td>(0.024)</td><td>(0.028)</td><td>(0.029)</td><td>(0.029)</td><td>(0.034)</td></tr>
<tr><td style="text-align:left">Eurozone Bond Spread</td><td>0.039<sup>*</sup></td><td>0.044<sup>*</sup></td><td>0.048<sup>*</sup></td><td>-0.027</td><td>-0.034</td><td>-0.023</td></tr>
<tr><td style="text-align:left"></td><td>(0.019)</td><td>(0.019)</td><td>(0.019)</td><td>(0.023)</td><td>(0.024)</td><td>(0.024)</td></tr>
<tr><td style="text-align:left">CONSTANT</td><td>0.012</td><td>0.031</td><td>-0.024</td><td>0.045<sup>*</sup></td><td>0.100<sup>*</sup></td><td>-0.077</td></tr>
<tr><td style="text-align:left"></td><td>(0.019)</td><td>(0.072)</td><td>(0.075)</td><td>(0.020)</td><td>(0.046)</td><td>(0.055)</td></tr>
<tr><td colspan="7" style="border-bottom: 1px solid black">
<tr><td style="text-align:left"><em>Observations</em></td><td>2,411</td><td>2,411</td><td>2,411</td><td>2,411</td><td>2,411</td><td>2,411</td></tr>
<tr><td style="text-align:left"><em>R-squared</em></td><td>0.027</td><td>0.029</td><td>0.030</td><td>0.174</td><td>0.175</td><td>0.188</td></tr>
<tr><td style="text-align:left"><em>Adjusted R-squared</em></td><td>0.025</td><td>0.025</td><td>0.026</td><td>0.171</td><td>0.173</td><td>0.185</td></tr>
<tr><td style="text-align:left"><em>Residual standard error</em></td><td>0.953 (df = 2404)</td><td>0.952 (df = 2402)</td><td>0.952 (df = 2401)</td><td>0.878 (df = 2404)</td><td>0.878 (df = 2402)</td><td>0.871 (df = 2401)</td></tr>
<tr><td style="text-align:left"><em>F statistic</em></td><td>11.146<sup>***</sup> (df = 6; 2404)</td><td>8.873<sup>***</sup> (df = 8; 2402)</td><td>8.230<sup>***</sup> (df = 9; 2401)</td><td>84.122<sup>***</sup> (df = 6; 2404)</td><td>63.804<sup>***</sup> (df = 8; 2402)</td><td>61.744<sup>***</sup> (df = 9; 2401)</td></tr>
<tr><td colspan="7" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"><em>Notes:</em></td><td colspan="6" style="text-align:left">Standardized coefficients, robust standard errors in parentheses. *** p<0.001, ** p<0.01, * p<0.05</td></tr>
</table>
